Merge tag '5.7.4' into develop

no message

Author: CDRussell

app/build.gradle

@@ -6,7 +6,7 @@ apply plugin: 'kotlin-kapt'
 apply from: '../versioning.gradle'
 
 ext {
-    VERSION_NAME = "5.7.3"
+    VERSION_NAME = "5.7.4"
     USE_ORCHESTRATOR = project.hasProperty('orchestrator') ? project.property('orchestrator') : false
 }
 

app/src/main/java/com/duckduckgo/app/di/VariantModule.kt

@@ -22,13 +22,16 @@ import com.duckduckgo.app.statistics.WeightedRandomizer
 import com.duckduckgo.app.statistics.store.StatisticsDataStore
 import dagger.Module
 import dagger.Provides
+import javax.inject.Singleton
 
 
 @Module
 class VariantModule {
 
     @Provides
-    fun variantManager(statisticsDataStore: StatisticsDataStore, weightedRandomizer: WeightedRandomizer): VariantManager = ExperimentationVariantManager(statisticsDataStore, weightedRandomizer)
+    @Singleton
+    fun variantManager(statisticsDataStore: StatisticsDataStore, weightedRandomizer: WeightedRandomizer): VariantManager =
+        ExperimentationVariantManager(statisticsDataStore, weightedRandomizer)
 
     @Provides
     fun weightedRandomizer() = WeightedRandomizer()